diff --git a/gen/data/input/synth_shed/main.c b/gen/data/input/synth_shed/main.c
index 444e4a0..db8c62c 100644
--- a/gen/data/input/synth_shed/main.c
+++ b/gen/data/input/synth_shed/main.c
@@ -7,7 +7,9 @@ int main() {
     init_synth_shed();
 
     synth_t* my_synth = synth_create("UltraBoog");
+    printf("%s", play_synth(my_synth));
 
+    synth_set_osc_count(my_synth, 33);
     printf("%s", play_synth(my_synth));
 
     return 0;
diff --git a/gen/data/input/synth_shed/synth_shed.c b/gen/data/input/synth_shed/synth_shed.c
index a69c170..4f8f8a6 100644
--- a/gen/data/input/synth_shed/synth_shed.c
+++ b/gen/data/input/synth_shed/synth_shed.c
@@ -10,19 +10,29 @@ void init_synth_shed() {
 
 synth_t* synth_create(const char* name) {
     synth_t* new = (synth_t*) malloc(sizeof(synth_t));
+    assert(new);
     if (new != NULL) {
         new->model_name = name;
         new->osc_count = 1;
         new->technolgy = ANALOG;
         new->filter.technology = ANALOG;
-        new->filter->type = LPF;
+        new->filter.type = LPF;
     }
     return new;
 }
 
-//SYNTH_STATUS synth_set_osc_count(synth_t* synth,
-//        int osc_count);
-//
+SYNTH_STATUS synth_set_osc_count(synth_t* synth, int osc_count) {
+    assert(synth);
+    SYNTH_STATUS status = 0;
+    if (osc_count < 0) {
+        status = 1;
+    } else {
+        synth->osc_count = osc_count;
+    }
+    return status;
+}
+
+
 //SYNTH_STATUS synth_set_filter(synth_t* synth,
 //        filter_t* filt);
 //
@@ -69,8 +79,8 @@ const char* play_synth(synth_t* synth) {
 
     const char* tech = tech_to_string(&synth->technolgy);
     const char* filt_tech = tech_to_string(&synth->filter.technology);
-    const char* filt_type = filtertype_to_string(synth->filter->type);
+    const char* filt_type = filtertype_to_string(&synth->filter.type);
 
-    sprintf(ret, "%s\nnamed: %s\nosc: %s\ntech:%s\nfilt:%s / %s\n", greet, model, osc, tech, filt_tech, filt_type);
+    sprintf(ret, "%s\nnamed: %s\nosc: %s\ntech:%s\nfilt:%s / %s\n\n", greet, model, osc, tech, filt_tech, filt_type);
     return strdup(ret);
 }
diff --git a/gen/data/input/synth_shed/synth_shed.h b/gen/data/input/synth_shed/synth_shed.h
index 0f2c8f4..8002447 100644
--- a/gen/data/input/synth_shed/synth_shed.h
+++ b/gen/data/input/synth_shed/synth_shed.h
@@ -6,7 +6,7 @@
 typedef int SYNTH_STATUS;
 typedef enum _filtertype filtertype_t;
 typedef struct _synth synth_t;
-
+typedef synth_t synth;
 // Enums
 enum _filtertype {
     HPF,
@@ -22,7 +22,7 @@ typedef enum _tech {
 // Structs
 typedef struct _filter {
     tech_t technology;
-    filtertype_t *type;
+    filtertype_t type;
 } filter_t;
 
 
@@ -39,9 +39,8 @@ void init_synth_shed();
 
 synth_t* synth_create(const char* name);
 
-//SYNTH_STATUS synth_set_osc_count(synth_t* synth,
-//        int osc_count);
-//
+SYNTH_STATUS synth_set_osc_count(synth_t* synth, int osc_count);
+
 //SYNTH_STATUS synth_set_filter(synth_t* synth,
 //        filter_t* filt);
 //
@@ -50,9 +49,9 @@ synth_t* synth_create(const char* name);
 
 const char* tech_to_string(const tech_t* tech);
 
-const char* filtertype_to_string(const filtertype_t *filt);
+const char* filtertype_to_string(const filtertype_t* filt);
 
 
-const char* play_synth(synth_t *synth);
+const char* play_synth(synth_t* synth);
 
 #endif //SYNTH_SHED_H